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February 28, 2015

February 28, 2015

Posted by **Kenya** on Thursday, February 19, 2009 at 9:15pm.

Would the answer for this question be 14.3?

And how do you do percent of decrease?

_______________________________________

The original cost of a computer is $900. If the price is decreased by 15%, what is the sale price?

I need help with this question(:

Thank you

- Adv. Math -
**bobpursley**, Thursday, February 19, 2009 at 9:18pmpercent (increase or decrease) is

Percent= (final-initial)/initial * 100

fifteen percent of 900 is 130 dollars.

so the cost is 900-130 dollars

price=(100-percentdecrease)/100 * 900

- Adv. Math -
**Chopsticks**, Thursday, February 19, 2009 at 9:20pmbob, this looks kind of like exponential growth and exponential decay, is it? I was just wondering since we just started on exponential decay today.

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